2102152423 has 8 divisors (see below), whose sum is σ = 2402905248. Its totient is φ = 1801510944.

The previous prime is 2102152421. The next prime is 2102152427. The reversal of 2102152423 is 3242512012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102152423 - 2¹ = 2102152421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102152394 and 2102152403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102152421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17565 + ... + 67177.

It is an arithmetic number, because the mean of its divisors is an integer number (300363156).

Almost surely, 2^2102152423 is an apocalyptic number.

2102152423 is a deficient number, since it is larger than the sum of its proper divisors (300752825).

2102152423 is an equidigital number, since it uses as much as digits as its factorization.

2102152423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55673.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2102152423 is about 45849.2357951580. The cubic root of 2102152423 is about 1281.0165311566.

Adding to 2102152423 its reverse (3242512012), we get a palindrome (5344664435).

The spelling of 2102152423 in words is "two billion, one hundred two million, one hundred fifty-two thousand, four hundred twenty-three".